Percentage Calculator
Calculate percentages, find what percentage one number is of another, or find the original value from a percentage.
This free tool helps you perform various percentage calculations. You can calculate a percentage of a number, find what percentage one number is of another, or find the original value from a percentage.
How This Tool Works
Our percentage calculator offers three main calculation modes:
- Calculate percentage of a number - Find out what a specific percentage of a number is
- Find what percentage one number is of another - Calculate what percentage one value represents of a total
- Find the original value from a percentage - Work backwards to find the original value when you know a percentage
Simply select your calculation mode, enter the required values, and get instant results.
Frequently Asked Questions
How do I calculate a percentage of a number?
To calculate a percentage of a number:
- Select "Calculate percentage of a number"
- Enter your number in the first field
- Enter the percentage in the second field
- Click Calculate to get your result
How do I find what percentage one number is of another?
To find the percentage:
- Select "Find what percentage one number is of another"
- Enter the value you want to find the percentage for
- Enter the total value
- Click Calculate to see what percentage it represents
How accurate are the calculations?
All calculations are performed with high precision and rounded to 2 decimal places in the final result. This provides a good balance between accuracy and readability for most everyday calculations.
Tips and Best Practices
- Use the dropdown menu to switch between different calculation modes
- You can enter decimal numbers for more precise calculations
- Results are automatically rounded to 2 decimal places
- For percentage calculations involving money, consider rounding to the nearest cent
2025-04-19
The 360 Tools